Lubricator.



J. I. momma LUBRIOATOR.

APPLICATION FILED 111:0. 20, 1910.

Patented May 21, 1912.

W1 TNESSES [NI/EN TOR JOHN FRANKLIN MAGINDOE, OF PHILADELPHIA, PENNSYLVANIA.

LUBRICATOR.

Specification of Letters Patent.

Patented May 21, 1912.

Application filed December 20, 1910. Serial No. 598,306.

To all whomc't may concern."

Be it known thatI, J OHN FRANKLIN MAC- INDOE, a citizen of the United States, residing at Philadelphia, in the county of. Philadelphia and State of Pennsylvania, have invented certain new and useful Im rovements in Lubricators, of which the fiillowing is a specification.

This invention embodies improvements in elevator guide lubricators of the type set forth in my Letters Patent, #90572 1, issued Dec. 1, 1908, and in my allowed application for patent, Serial #553534, filed April 5, 1.910.

The present invention resides particularly in the peculiar mounting of the distributors, whereby the lubricant is applied directly to the guide rails of the elevator, and also in certain details of construction increasing the range of application of the invention under practical conditions of service.

For a full comprehension of the advantages and construction of the invention reference is to be had to the following detail description and the accompanying drawings, in the latter of which Figure 1 is a perspective view of a lubricating device, embodying the essential features of the present invention; Fig. 2 is a top plan View showing the arrangement of certain parts illustrated in Fig. 1, the central distributer, however, being a modified construction and Fig. 3 is a longitudinal section of the frame or body of the lubricator bringing out more clearly the mounting of the central distributer.

As in the constructions of my previous lubricators hereinbefore referred to, a suitable compression cup '1 is mounted upon a frame or body 2 of hollow construction, said frame being formed with an ofistanding. hollow arm 3 which supports a central distributer at arranged in a vertical plane intermediate those in which the side distributors are disposed. The distributers 5 are supported by arms 6, and the latter are connected with the body or frame 2 of the device as shown at 7, at points on opposite sides of the arm 3.

The mounting of the distributors 5 is especially advantageous, since the arms 6 conduits to convey the lubricant from the body 2 to the distributors 5. As shown in Fig. 2, the arms 6 have one end passing through a wall of the body 2, and flared, as shown at 6, to prevent their displacement. The arms 6 pass through stufling boxes 8 secured to the body 2.

The arms 6 are offset intermediate of their ends to increase the extent of separating movement of the distributers 5 supported thereon. The distributers 5, of course, engage with opposite sides of the guide rail in the elevator shaft, and a coiled spring 9, or equivalent means, is connected at its opposite ends with the arms 6 so as to normally exert a tendency to force said arms together for close frictional contact of the parts 5 with the elevator guide. In a manner similar to the connection of the inner ends of the arms 6 with the body 2, the outer ends of the arms are connected with the distributers 5, and for such purpose said outer ends pass through stuffing boxes 8 and are flared at their inner extremities as are shown at 6" to afford the swivel or rotative mounting of the distributors 5 upon the arms. The distributors 5 are formed with distributing passages 5, as customary, and the tubular conduits afforded by the hollow arms 6 communicate with the passages 5, from the latter of which the lubricant is carried direct to the surface of the elevator guide.

Referring to Fig. 3, it will be observed that the central distributer 4 is provided at its outer end with the distributing passage 4 and its inner end is formed with a downwardly projecting flange 10. A lubricant tube 11 is secured to the outer end of the distributer 4, and is slidable in an opening in the outer end of the arm 3 of the body 2. A spring 12 of the coiled type encircles the tube 11 between the outer extremity of the part 3 and the inner side of the outer end of the distributer 4;, and normally tends to force said distributor in an outward direction in yielding contact with the inner face of the elevator guide. To normally prevent displacement of the distributer 4, a stop 12 is provided in the form of an integral projection on the part 3, and with which the flange 10 is adapted to abut to limit the outward movement of the distributor 4 at its inner end. The lubricant tube 11 has side apertures 13 which afford entrances for the lubricant into said tube. These apertures 13 are regulated by means of a regulating screw 14: mounted in the inner end of the tube 11 and movable longitudinally in the latter to either partially or fully close the apertures 13. The adjustable regulating screw 14 insures the adjustment to effect an equal distribution of the grease or lubricant, and to compensate for the increased resistance to the side distributers, in the operation of the invention.

Referring to Fig. 2, the central distributer 15 is substantially the same structure as the distributer 4 hereinbefore described, excepting that the head 16 at the outer end of the distributer, and which is provided with the lubricant supply passage, is transversely elongated and designed to lubricate an elevator guide of greater width than would be It lubricated by the distributer 4t.

. irrespective of the swing of the side arms 6, or the lateral motion of the car.

The means controlling the passage of the lubricant from the body 2 to the distributer 4, comprising the adjustable member 14 and the apertures or grease inlets 13, is of important advantage, in that the inlets 13 are arranged substantially at a right angle to the direction of flow of the lubricantfrom the part 2 to the tube 11. Were the inlets 13 in line with the above direction of flow of the lubricant, they would also be in line with the direction of movement of the tube 11 as the tube 11 reciprocates back and forth while operating in contact with the guide rail. Were the inlets 1.3 not arranged at a right angle to the direction of movement of the part 11, the lubricant would. not be supplied steadily and only as needed by the distributer l, for the reason that inward movement of the tube 11 toward the body 2- would force an abnormal quantity of the lubricant outwardly in the tube 11. On the other hand, the inlets 13 being located at one or opposite sides of the tube 11, are so arranged that the lubricant will not enter the tube 11 on an inward movement of said tube, any more than it will enter the tube under normal conditions while the latter might be stationary. v

The arrangement of the inlets 13 is necessary to controlthe feeding of the lubricant to the distributer 4 in a constant manner and only under the normal pressure in the grease cup 1. The adjustable screw l tbalances and controls more than one flow or inlet for the lubricant.

Having thus fully described my invention, what is claimed as new is 1. In an elevator guide lubricator, the

combination of a body, arms rotatively supply means therefor, tubular arms rotatively connected at one end with the body, distributers rotatively mounted upon the outer ends of the arms, said arms being offset intermediate their ends, and a resilient connection between the outer ends of the arms, the distributers having passages in communication with the tubular portions of said arms.

4. In an elevator guide lubricator, the combination of a body, means for supplying a lubricant thereto, a distributer, a tube adapted to supply the lubricant from the body to the distributer and reciprocally mounted on the body, said body being provided with lubricant inlets arranged at substantially a right angle to the direction. of movement of the tube on the body, and an adjustable screw carried by the tube for regulating the operative size of the inlets.

In testimony whereof I aflix my signature in presence of two witnesses.

JOHN FRANKLIN MAOINDOE.

Witnesses:

MAI-ILON VAN BOOSKIRK, JAMES S. CLIFFORD.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents Washington, D. C. 

